Perhaps?

However, Xila was facing a problem. That was the fact that the twins' group always knew when their experts were getting closer. It's not like the Lakure Race hadn't thought about Spiritual Sense. After all, that was always the first thing to find where they should be going. 

The problem was that the area of coverage was way too big! Without using Spiritual Sense, it would be hard to find a specific place in a world where all high-level experts relied on it. That being said, Xila came up with a new idea.

"Call the Nascent Soul Realm cultivators overseeing the outside. I want them to do something for me."

His subordinate quickly left after receiving the order. A few hours later, everyone gathered in front of Xila.

The days passed in a flash as Rean's group continued their 'attacks' every few weeks. However, Rean quickly noticed something off.